<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript">

            /*
				9 ：00000000000000000000000000001001
				14 ： 00000000000000000000000000001110
            */
			console.log( 14 & 9)
            console.log( 14 | 9)
            console.log( ~9)
            console.log( ~-9)



            console.log( -9 << 2)
            console.log( 9 << 2)
            console.log( 9 >> 2)
            console.log( -9 >> 2)
            console.log( 9 >>> 2)
            console.log( -9 >>> 2)
		</script>
	</head>
	<body>
	</body>
</html>
